EP1374266B1 - Support pour circuit electrique, en particulier pour commutateur electrique - Google Patents
Support pour circuit electrique, en particulier pour commutateur electrique Download PDFInfo
- Publication number
- EP1374266B1 EP1374266B1 EP02732337A EP02732337A EP1374266B1 EP 1374266 B1 EP1374266 B1 EP 1374266B1 EP 02732337 A EP02732337 A EP 02732337A EP 02732337 A EP02732337 A EP 02732337A EP 1374266 B1 EP1374266 B1 EP 1374266B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- metal part
- housing
- coating
- switch according
- electric switch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 229910052751 metal Inorganic materials 0.000 claims abstract description 59
- 239000002184 metal Substances 0.000 claims abstract description 59
- 239000000758 substrate Substances 0.000 claims abstract description 35
- 239000004020 conductor Substances 0.000 claims abstract description 21
- 238000000576 coating method Methods 0.000 claims description 63
- 239000011248 coating agent Substances 0.000 claims description 62
- 239000004065 semiconductor Substances 0.000 claims description 29
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 10
- 229910052802 copper Inorganic materials 0.000 claims description 10
- 239000010949 copper Substances 0.000 claims description 10
- 239000000919 ceramic Substances 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 6
- SWELZOZIOHGSPA-UHFFFAOYSA-N palladium silver Chemical compound [Pd].[Ag] SWELZOZIOHGSPA-UHFFFAOYSA-N 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 229910010293 ceramic material Inorganic materials 0.000 claims description 4
- 238000010292 electrical insulation Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 239000004033 plastic Substances 0.000 claims description 4
- 239000002861 polymer material Substances 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 239000004593 Epoxy Substances 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- 229910001092 metal group alloy Inorganic materials 0.000 claims description 3
- 239000002985 plastic film Substances 0.000 claims description 3
- 229920006255 plastic film Polymers 0.000 claims description 3
- 229920000642 polymer Polymers 0.000 claims description 3
- 239000002952 polymeric resin Substances 0.000 claims description 3
- 229920003002 synthetic resin Polymers 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 239000004411 aluminium Substances 0.000 claims 1
- 230000017525 heat dissipation Effects 0.000 description 7
- 238000011161 development Methods 0.000 description 5
- 230000018109 developmental process Effects 0.000 description 5
- 238000005476 soldering Methods 0.000 description 5
- 230000015556 catabolic process Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000002028 premature Effects 0.000 description 2
- 230000006735 deficit Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000010413 gardening Methods 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 230000003685 thermal hair damage Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/03—Use of materials for the substrate
- H05K1/05—Insulated conductive substrates, e.g. insulated metal substrate
- H05K1/053—Insulated conductive substrates, e.g. insulated metal substrate the metal substrate being covered by an inorganic insulating layer
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/02—Bases, casings, or covers
- H01H9/06—Casing of switch constituted by a handle serving a purpose other than the actuation of the switch, e.g. by the handle of a vacuum cleaner
- H01H9/061—Casing of switch constituted by a handle serving a purpose other than the actuation of the switch, e.g. by the handle of a vacuum cleaner enclosing a continuously variable impedance
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/03—Use of materials for the substrate
- H05K1/05—Insulated conductive substrates, e.g. insulated metal substrate
- H05K1/056—Insulated conductive substrates, e.g. insulated metal substrate the metal substrate being covered by an organic insulating layer
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/52—Cooling of switch parts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/0001—Technical content checked by a classifier
- H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/09—Use of materials for the conductive, e.g. metallic pattern
- H05K1/092—Dispersed materials, e.g. conductive pastes or inks
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/16—Printed circuits incorporating printed electric components, e.g. printed resistor, capacitor, inductor
- H05K1/167—Printed circuits incorporating printed electric components, e.g. printed resistor, capacitor, inductor incorporating printed resistors
Definitions
- the invention relates to an electrical switch according to the preamble of patent claim 1.
- circuits On a circuit board arranged electrical circuits have a wide range of applications, for example in control units, electrical household appliances or power tools.
- such circuits which serve to drive an electric motor in a power tool, arranged with the board in the housing of the switch for the power tool.
- Such an electrical circuit arrangement consists of electrical and / or electronic components.
- the components are arranged on a carrier substrate, wherein the conductor tracks for electrical connection of the components are also located on the carrier substrate.
- Bin switch for a power tool, for a cordless power tool, in the housing, the carrier substrate of the drive circuit is housed, is for example in the DE 41 14 854 A1 shown.
- the carrier substrate consists of a printed circuit board, for example in hard paper or FR4 technology, or also of a ceramic plate.
- an electrical switch for power tools with a housing consisting of two halves housing wherein a housing half is made of metal. Inside the housing is an electrical circuit arrangement on a carrier substrate. The carrier substrate abuts against the housing half made of metal, so that this housing half acts as a heat sink.
- the carrier substrate in turn consists of ceramic material, plastic or the like in a conventional manner, the dissipation of the lost heat is also limited here.
- the voltage regulator is arranged as a hybrid circuit of various components and a power semiconductor on a support plate.
- the support plate is made of good heat conducting material, such as steel, aluminum or copper, and has a thin, electrically insulating coating. Since the carrier plate is formed as a metal part, although provided for improved dissipation of the heat loss.
- the large-scale voltage regulator for the motor vehicle gives no indication for the arrangement of a metallic carrier plate in a small-sized housing of an electrical switch.
- the invention is based on the object, an electric circuit containing an electrical To provide switches with improved heat dissipation.
- a used in a power tool with high power electrical switch to be improved in this regard.
- the carrier substrate for the circuit arrangement consists of a metal part.
- An electrically insulating coating is applied to a surface of the metal part, in particular to the surface facing the components and the conductor tracks. At least one component and / or at least one conductor track are located on the coating.
- the metal part made of aluminum or an aluminum alloy, for example of an AlMg3 alloy.
- an electrically insulating coating is an anodized, which has a thickness of about 30 to 50 microns in particular.
- Such an anodized layer has both a good thermal conductivity and a good electrical insulation and is therefore particularly suitable for the electrical switch according to the invention.
- the metal part may also consist of another good heat conductive metal, such as copper, steel o. The like., Or a metal alloy.
- the metal part is expediently designed as a plate, wherein the thickness thereof is for example at least 2 mm.
- the electrically insulating coating offers a ceramic layer.
- the ceramic material which is in particular a Ceramic paste is, can be printed on the surface of the metal part, rolled on, sprayed o. The like. Be. If necessary, then this layer can be baked.
- a polymer layer such as an Epoxy Skicixt o. The like., Comes as an electrically insulating coating in question.
- the polymer material which is in particular a polymer resin, can be printed on the surface of the metal part, sprayed on, rolled or o. The like. If necessary, this layer is then cured.
- a film in particular a plastic film, for the electrically insulating coating.
- the film material can be glued to the surface of the metal part, laminated o. The like. Be.
- the coatings mentioned are characterized by simple production. In addition, it is possible with such an electrically insulating coating to achieve an electrical breakdown strength of at least 400 V for DC applications and an electrical breakdown strength of at least 2 kV for AC applications.
- the metal part itself is designed in the manner of a heat sink. It can then be mounted on the surface facing away from the electrically insulating coating cooling fins.
- a metal part may be made of an extrusion.
- the interconnects made of copper, silver-palladium o. The like.
- the paste such as the copper paste, silver-palladium paste o. The like.
- printed resistors can be applied to the coating by means of a resistor paste.
- the printed conductors and / or the printed Resistors baked.
- the soldering of the. Components on the electrically insulating coating can be done in a vacuum.
- the coating may have a recess such that the power semiconductor is directly mounted on the metal part, which in turn improves heat dissipation.
- the power semiconductor may also be mounted on the coating.
- the electrical switch according to the invention is mainly used in power tools, such as in a powered with DC cordless power tool or an AC powered power tool use.
- the switch has a housing in which the carrier substrate is arranged.
- the carrier substrate can just as well be arranged on one side of the housing, in particular as a housing part and / or lateral termination for the housing, whereby the carrier substrate simultaneously serves as a carrier for the components and as a component of the housing.
- the carrier substrate can simultaneously serve as a heat sink by the surface facing away from the coating of the metal part protrudes as a heat sink from the housing.
- Such a multifunction part simplifies the switch and saves costs.
- the carrier substrate at the same time as a housing part, it is advisable to design this non-plan and / or spatially in the manner of a socket. This ensures easy handling during assembly of the switch.
- another housing part the in particular made of plastic, placed in the manner of a lid.
- the lid can be placed sealingly on the base, whereby an improved dustproofness of the switch is achieved.
- the power semiconductor such as a MOS-FET, a triac, a thyristor, a freewheeling diode o.
- the power semiconductor For supplying the electric current for the electric motor in the housing.
- the fixing of the power semiconductor can in turn be done by soldering on the metal part. This creates an effective heat dissipation from the switch interior, which increases the life of the switch.
- a resistance path for a potentiometer may be applied to the coating by means of a stovable resistance paste.
- the advantages achieved by the invention are in particular that an improved heat dissipation is given from the equipped with such a circuit switch. As a result, the switch operates more reliable. Less premature failure occurs and the life of the switch is extended.
- the electric switch is suitable for high power operation.
- the circuit arrangement can also be arranged in the housing of the electrical switch in the services where previously the circuit arrangement was to be arranged separately from the switch in the power tool, for example in the cooling air flow for the electric motor.
- an electrical switch 1 can be seen, which is to be used for a power tool, in particular for a powered with DC cordless power tool.
- the switch 1 has a housing 2, a handle-shaped, on the housing 2 movably arranged actuator 16 for the manual operation of the power tool by the user, designed in the manner of a switching lever actuator 17 for switching the right-left run for the power tool and arranged on the housing 2 terminals 18 for electrical connection to the battery.
- a switch 1 with an appropriate design, which will be explained in more detail below, are also used for a powered with AC power tool.
- an electrical circuit arrangement 3 for controlling the rotational speed of the electric motor in the power tool is arranged in the housing 2.
- the circuit arrangement 3 can also include a torque shutdown of the electric motor, which can be used, for example, for screwdriving with the power tool, or other functionality of the power tool.
- the circuit 3 thus contains at least part of the control electronics for the electric motor of the power tool.
- the housing 2 takes in a known manner even more parts of the switch 1, such as the contact system o. The like., Which, however, is not shown.
- the circuit arrangement 3 has electrical and / or electronic components 4, which are arranged on a carrier substrate 5. On the carrier substrate 5 are Furthermore, the leading to the components 4 o. The like., And their electrical connection producing interconnects 6, which is also closer from FIG. 4 can be seen.
- the carrier substrate 5 consists of a metal part 7. On a surface 8 of the metal part 7, in particular on the components 4 and the conductor tracks 6 facing surface 8, an electrically insulating, that is non-conductive coating 9 is applied. At least one component 4 and / or at least one printed conductor 6 of the circuit arrangement 3 is located on the coating 9.
- most of the components 4, except for exceptions explained below, are arranged on the coating 9, whereby all the components are arranged on the coating 9 4 and the conductor tracks 6 due to the electrical insulation through the coating 9 without electrical contact with the metal part 7 are.
- the metal part 7 is made of aluminum or of an aluminum alloy.
- an AlMg3 alloy has proven to be particularly suitable for this purpose.
- the electrically insulating coating 9 then consists of an anodized layer on the surface 8 of the aluminum metal part 7.
- the anodized layer has a thickness of about 30 to 50 microns, such that on the one hand good thermal conductivity of the components 4 to the metal part 7 and on the other hand nonetheless a good electrical insulation to the metal part 7 is given.
- the metal part 7 may also consist of copper, steel or another good heat conductive metal or a metal alloy.
- the electrically insulating coating 9 may consist of a ceramic layer.
- a ceramic paste can be used as a ceramic material, which is printed on the surface 8 of the metal part 7, rolled, sprayed or otherwise applied. If necessary, then the applied ceramic paste can then be baked into the surface 8.
- a polymer layer for example an epoxy layer, for the coating 9.
- the polymer material can be printed, sprayed, rolled or applied in any other way, for example, as an uncured polymer resin on the surface 8 of the metal part 7.
- the polymer material can then be cured in a known manner.
- a film such as a plastic film, serve as a coating 9. The foil material becomes then glued to the surface 8 of the metal part 7, laminated or applied in any other way.
- the coating 9 for DC applications can be designed so that an electrical breakdown strength of at least 400 V is achieved.
- the coating 9 is made to a thickness such that an electrical breakdown strength of at least 2000V is achieved. This minimum fürschagfesttechniken may be necessary especially when the circuit 3 is arranged in an electrical switch 1 of a power tool.
- the metal part 7 may have any, for example, the attachment 15 in the housing 2 adapted shape. Often, the metal part 7 will be formed as a plate, which can be seen in more detail with reference to FIG. Conveniently, the thickness of the plate is at least 2 mm, to ensure good heat dissipation. Further, the metal part 7 may also be configured in the manner of a heat sink. In this case, the metal part 7 has cooling fins 10 on the surface 8 'facing away from the electrically insulating coating 9, as shown in FIG. 3. In order to simplify the design as a heat sink, the metal part 7 can be made of an extruded body.
- the interconnects 6 on the electrically insulating coating 9 made of copper, silver-palladium o. The like.
- this material can be applied as a corresponding paste, namely as copper paste, silver-palladium paste o. The like.
- the soldering of the components 4 on the electrically insulating coating. 9 is preferably carried out in vacuo. Of course, these components may also be SMD components 19, as can likewise be seen in FIG. 4.
- At least one of the components is a power semiconductor 11, 12.
- the coating 9 has a recess 13 in the region of the power semiconductor 11, 12 on the carrier substrate 5.
- the power semiconductor 11, 12 is directly mounted in the recess 13 on the metal part 7, which can be done for example by soldering.
- the power semiconductor 11, 12 may of course also be mounted on the coating 9.
- the power semiconductor 11, 12 may be configured as an unhoused chip, for example, has a bond to the corresponding traces 6 on the coating 9, which is not shown
- the carrier substrate 5 is arranged in the housing 2 of the electrical switch 1.
- the carrier substrate 5 is located on one side of the housing 2.
- the surface 8 'of the metal part 7 facing away from the coating 9 can also protrude out of the housing 2 as a heat sink, in particular with cooling fins 10' can be seen with reference to FIG. 3.
- the carrier substrate 5 itself may be formed as a housing part. This housing part then serves as a lateral termination for the housing 2, so that the corresponding side wall in the housing 2 is omitted.
- Design of the housing 2 may serve as a housing part serving carrier substrate 5 spatially and thus occidentalplan be designed in the manner of a base 20.
- a further housing part in the manner of a cover 21 is placed as shown in FIG. 5, whereby a particularly simple assembly of the switch 1 is achieved.
- the lid 21 may be made of plastic in the usual way, while the base 20 consists of the metal part 7.
- a simple seal between the base 20 and the cover 21 can be achieved by a corresponding design by means of a tongue and groove joint 22.
- an additional seal may be arranged, but this is not shown further.
- the power electronics in the electrical circuit arrangement 3 can be accommodated on the carrier substrate 5 in the housing 2.
- the power electronics in the circuit arrangement 3 contains at least one power semiconductor, such as a MOS-FET 11 for supplying power according to the set speed to the electric motor and / or a freewheeling diode 12.
- a MOS-FET 11 for supplying power according to the set speed to the electric motor and / or a freewheeling diode 12.
- the MOS-FET 11 and the freewheeling diode 12 can also be arranged on the coating 9 , as can be seen in Fig. 2.
- the coating 9 it is preferable for the coating 9 to have at least one recess 13 in such a way that the power semiconductor 11, 12 is fastened directly on the metal part 7, as shown in more detail in FIGS. 3 and 4.
- the MOS-FET 11 and the freewheeling diode 12 have a common potential in the circuit arrangement 3.
- the due to the high flowing electrical currents large heat generation of the two power semiconductor 11,12 is then derived without further heat resistance directly to the carrier substrate 5
- the attachment of the power semiconductors 11, 12 on the metal part 7 is advantageously carried out by soldering.
- the power semiconductor 11 may be mounted in a recess 13 directly on the metal part 7. Since in this case the power tool is operated on AC voltage, it is in the power semiconductor 11 for supplying power corresponding to the rotational speed of the electric motor to a triac or a thyristor.
- a resistance path 14 for a potentiometer on the coating 9 wherein the potentiometer is adjusted by means of the actuator 16 shown in Fig. 1 by the user. This is by the Resistance path 14 generates a desired signal that corresponds to the selected by the user on the adjustment of the actuator 16 speed of the electric motor.
- the resistance path 14 is applied to the coating 9, for example, by means of a stovable resistance paste.
- the invention is not limited to the described and illustrated embodiments of a circuit arrangement 3 in the housing 2 of the electrical switch 1. Just as well, this circuit 3 may be arranged at other appropriate point in the power tool itself.
- the invention also includes all expert developments within the scope of the patent claims. Thus, the invention can not only be used for electrical switches and power tools, but can also be used in circuit arrangements on carrier substrates for control devices, household electrical appliances, electrical gardening equipment, machine tools o.
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
- Push-Button Switches (AREA)
- Insulated Metal Substrates For Printed Circuits (AREA)
- Electronic Switches (AREA)
- Relay Circuits (AREA)
- Switch Cases, Indication, And Locking (AREA)
- Multi-Conductor Connections (AREA)
- Structures For Mounting Electric Components On Printed Circuit Boards (AREA)
Claims (14)
- Commutateur électrique, en particulier pour un outil électrique, tel qu'un outil électrique avec accumulateur alimenté en courant continu ou un outil électrique alimenté en courant alternatif, comportant un boîtier (2) ainsi qu'un dispositif de circuit électrique (3) installé dans le boîtier (2) et ayant des composants électriques et/ou électroniques (4), des voies conductrices (6) pour le raccordement électrique des composants (4) ou analogues, et un substrat de support (5), et dont les composants (4) ainsi que les voies conductrices (6) sont montés sur le substrat de support (5),
caractérisé en ce que
le substrat de support (5) se compose d'une pièce métallique (7), un revêtement électriquement isolant (9) est déposé sur la surface (8) de la pièce métallique (7) tournée vers les composants (4) et vers les voies conductrices (6), et au moins un composant (4), et/ou au moins une voie conductrice (6) se trouve sur le revêtement (9). - Commutateur électrique selon la revendication 1,
caractérisé en ce que
la pièce métallique (7) est en aluminium ou en un alliage d'aluminium, par exemple un alliage AlMg3, et de préférence le revêtement électriquement isolant (9) se compose d'une couche anodisée, qui présente notamment une épaisseur d'environ 30 à 50 µm, de sorte que cette couche anodisée présente une bonne conductibilité thermique et une bonne isolation électrique. - Commutateur électrique selon la revendication 1 ou 2,
caractérisé en ce que
la pièce métallique (7) se compose d'un métal bon conducteur de la chaleur, comme le cuivre, l'acier ou analogue, ou d'un alliage métallique. - Commutateur électrique selon la revendication 1, 2 ou 3,
caractérisé en ce que
le revêtement électriquement isolant (9) se compose d'une couche céramique, dans lequel la matière céramique, en particulier sous forme de pâte céramique, est pressée, roulée, projetée ou analogue sur la surface (8) de la pièce métallique (7) et est éventuellement cuite. - Commutateur électrique selon la revendication 1, 2 ou 3,
caractérisé en ce que
le revêtement électriquement isolant (9) se compose d'une couche de polymère, telle qu'une couche d'époxy ou analogue, et la matière polymère, en particulier sous forme de résine polymère, est de préférence pressée, projetée, roulée ou analogue sur la surface (8) de la pièce métallique (7), et est éventuellement durcie. - Commutateur électrique selon la revendication 1, 2 ou 3,
caractérisé en ce que
le revêtement électriquement isolant (9) se compose d'un film, en particulier un film de plastique, et le film de matière est de préférence collé, laminé ou analogue sur la surface (8) de la pièce métallique (7). - Commutateur électrique selon l'une quelconque des revendications 1 à 6,
caractérisé en ce que
le revêtement électriquement isolant (9) présente pour des applications en courant continu une rigidité diélectrique d'au moins 400 V et pour des applications en courant alternatif une rigidité diélectrique d'au moins 2000 V. - Commutateur électrique selon l'une quelconque des revendications 1 à 7,
caractérisé en ce que
la pièce métallique (7) se présente sous la forme d'une plaque, dont l'épaisseur est par exemple d'au moins 2 mm. - Commutateur électrique selon l'une quelconque des revendications 1 à 8,
caractérisé en ce que
la pièce métallique (7) se présente sous la forme d'un corps de refroidissement, en particulier avec des ailettes de refroidissement (10) sur la surface (8') située à l'opposé du revêtement électriquement isolant (9), et la pièce métallique (7) est de préférence fabriquée à partir d'un corps extrudé. - Commutateur électrique selon l'une quelconque des revendications 1 à 9,
caractérisé en ce que
les voies conductrices (6) formées sur le revêtement électriquement isolant (9) se composent de cuivre, de palladium-argent ou analogue, les voies conductrices et/ ou les résistances imprimées (14) sont appliquées de préférence sous la forme d'une pâte correspondante, telle qu'une pâte de cuivre, une pâte de palladium-argent, une pâte résistive ou analogue, à la manière d'une technique en couche épaisse sur le revêtement (9) et sont ensuite éventuellement cuites, et le brasage des composants (4) sur le revêtement électriquement isolant (9) est de préférence effectué sous vide. - Commutateur électrique selon l'une quelconque des revendications 1 à 10,
caractérisé en ce qu'
au moins un composant est un semi-conducteur de puissance (11, 12), le revêtement (9) présente de préférence un creux (13) tel que le semi-conducteur de puissance (11, 12) est fixé directement sur la pièce métallique (7), ou le semi-conducteur de puissance (11, 12) est fixé sur le revêtement (9), et le semi-conducteur de puissance (11, 12) se présente de préférence encore sous la forme d'une puce non enchâssée, qui possède notamment un raccordement métallisé vers la voie conductrice (6) sur le revêtement. - Commutateur électrique selon l'une quelconque des revendications 1 à 11,
caractérisé en ce que
le commutateur (1) comporte un boîtier (2), et le substrat de support (5) est disposé dans le boîtier (2) et/ou sur un côté du boîtier (2), en particulier sous forme d'une partie de boîtier et/ou de couvercle latéral pour le boîtier (2), de préférence de sorte que la surface (8') de la pièce métallique (7) située à l'opposé du revêtement (9) forme un corps de refroidissement sortant du boîtier (2). - Commutateur électrique selon l'une quelconque des revendications 1 à 12,
caractérisé en ce que
le substrat de support (5) faisant office de partie de boîtier n'est pas plan et/ou se présente spatialement sous la forme d'un socle (20), de préférence de sorte qu'une autre partie de boîtier, composée en particulier de plastique, soit posée, en particulier de manière étanche, à la manière d'un couvercle (21) pour compléter le boîtier (2). - Commutateur électrique selon l'une quelconque des revendications 1 à 13,
caractérisé en ce que
le dispositif de circuit (3) comprend au moins un semi-conducteur de puissance, tel qu'un MOS-FET (11) [transistor à effet de champ à grille isolée par une couche d'oxyde de silicium], un triac, un thyristor, une diode roue libre (12) ou analogue, le revêtement (9) présente de préférence au moins un creux (13) tel que le semi-conducteur de puissance (11, 12) est fixé, en particulier brasé, directement sur la pièce métallique (7), et une voie de résistance (14) pour un potentiomètre est de préférence encore déposée sur le revêtement (9), par exemple au moyen d'une pâte résistive à cuire.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10114572 | 2001-03-24 | ||
DE10114572A DE10114572A1 (de) | 2001-03-24 | 2001-03-24 | Träger für eine elektrische Schaltung, insbesondere für einen elektrischen Schalter |
PCT/DE2002/001044 WO2002078029A1 (fr) | 2001-03-24 | 2002-03-22 | Support pour circuit electrique, en particulier pour commutateur electrique |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1374266A1 EP1374266A1 (fr) | 2004-01-02 |
EP1374266B1 true EP1374266B1 (fr) | 2007-06-20 |
Family
ID=7678917
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02732337A Expired - Lifetime EP1374266B1 (fr) | 2001-03-24 | 2002-03-22 | Support pour circuit electrique, en particulier pour commutateur electrique |
Country Status (7)
Country | Link |
---|---|
US (1) | US7313001B2 (fr) |
EP (1) | EP1374266B1 (fr) |
JP (1) | JP4326219B2 (fr) |
CN (1) | CN100349236C (fr) |
AT (1) | ATE365371T1 (fr) |
DE (3) | DE10114572A1 (fr) |
WO (1) | WO2002078029A1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10043619B2 (en) | 2014-03-28 | 2018-08-07 | Black & Decker Inc. | Biasing member for a power tool forward/reverse actuator |
Families Citing this family (12)
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DE102004003048A1 (de) * | 2003-01-22 | 2004-08-05 | Marquardt Gmbh | Elektrisches Verbindungselement, insbesondere für Elektrowerkzeugschalter |
DE102005010129A1 (de) * | 2004-03-05 | 2005-09-15 | Marquardt Gmbh | Elektrische Schaltungsanordnung für ein Elektrowerkzeug |
JP5248151B2 (ja) * | 2008-03-12 | 2013-07-31 | 株式会社マキタ | 電動工具 |
US20110178874A1 (en) * | 2010-01-18 | 2011-07-21 | Rabih Salem Ballout | Service for Providing an Interactive, Personalized Radio Network |
DE102010035169A1 (de) | 2010-08-23 | 2012-02-23 | Marquardt Verwaltungs-Gmbh | Elektrischer Schalter für Elektrohandwerkzeuge |
US8351221B2 (en) * | 2011-01-14 | 2013-01-08 | Rf Micro Devices, Inc. | Stacked shield compartments for electronic components |
DE102011004171A1 (de) * | 2011-02-15 | 2012-08-16 | Brose Fahrzeugteile GmbH & Co. Kommanditgesellschaft, Würzburg | Temperierelement und Verfahren zur Befestigung eines Elektrobauteils an dem Temperierelement |
EP2525468B1 (fr) | 2011-05-19 | 2017-06-21 | Black & Decker Inc. | Appareil de puissance électronique |
DE102016003150A1 (de) * | 2016-03-16 | 2017-09-21 | Andreas Stihl Ag & Co. Kg | Handgeführtes Arbeitsgerät mit einem Elektromotor |
US10608501B2 (en) | 2017-05-24 | 2020-03-31 | Black & Decker Inc. | Variable-speed input unit having segmented pads for a power tool |
US10541588B2 (en) | 2017-05-24 | 2020-01-21 | Black & Decker Inc. | Electronic power module for a power tool having an integrated heat sink |
US11477889B2 (en) | 2018-06-28 | 2022-10-18 | Black & Decker Inc. | Electronic switch module with an integrated flyback diode |
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US4404059A (en) * | 1982-05-26 | 1983-09-13 | Livshits Vladimir I | Process for manufacturing panels to be used in microelectronic systems |
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GB8601746D0 (en) * | 1986-01-24 | 1986-02-26 | British Telecomm | Heat sink |
JPS62199437A (ja) | 1986-02-28 | 1987-09-03 | 昭和電工株式会社 | プリント基板 |
DE3629976A1 (de) * | 1986-09-03 | 1988-04-07 | Hueco Gmbh Fabrik Fuer Interna | Spannungsregler fuer generatoren |
US5055967A (en) * | 1988-10-26 | 1991-10-08 | Texas Instruments Incorporated | Substrate for an electrical circuit system and a circuit system using that substrate |
US5355280A (en) * | 1989-09-27 | 1994-10-11 | Robert Bosch Gmbh | Connection arrangement with PC board |
JPH04287396A (ja) * | 1991-03-18 | 1992-10-12 | Fujitsu Ltd | 小形電子装置筐体 |
DE4114854A1 (de) | 1991-05-07 | 1992-11-12 | Marquardt Gmbh | Schalter, insbesondere akku-schalter fuer handbetaetigte elektrowerkzeuge |
US5198793A (en) * | 1991-07-30 | 1993-03-30 | Eaton Corporation | Electric control apparatus comprising integral electrical conductors plated on a two-shot molded plastic insulating housing |
JP2936855B2 (ja) * | 1991-12-26 | 1999-08-23 | 富士電機株式会社 | 電力用半導体装置 |
JP2698278B2 (ja) | 1992-01-31 | 1998-01-19 | 三洋電機株式会社 | 混成集積回路装置 |
US5198693A (en) | 1992-02-05 | 1993-03-30 | International Business Machines Corporation | Aperture formation in aluminum circuit card for enhanced thermal dissipation |
US5179501A (en) * | 1992-02-24 | 1993-01-12 | Motorola, Inc. | Laminated electronic module assembly |
JPH07123186B2 (ja) | 1992-09-25 | 1995-12-25 | 松下電工株式会社 | 回路装置 |
JP2988243B2 (ja) * | 1994-03-16 | 1999-12-13 | 株式会社日立製作所 | パワー混成集積回路装置 |
US6200407B1 (en) * | 1994-08-18 | 2001-03-13 | Rockwell Technologies, Llc | Method of making a multilayer circuit board having a window exposing an enhanced conductive layer for use as an insulated mounting area |
US5459640A (en) * | 1994-09-23 | 1995-10-17 | Motorola, Inc. | Electrical module mounting apparatus and method thereof |
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US6355885B1 (en) * | 1996-05-02 | 2002-03-12 | William J. Rintz | Sub frame assembly for light switch assembly |
DE19641397A1 (de) * | 1996-09-27 | 1998-04-02 | Siemens Ag | Verfahren zum Herstellen einer wärmeableitenden Leiterplatte |
JP3220075B2 (ja) | 1997-11-26 | 2001-10-22 | エヌイーシーモバイリング株式会社 | 車載機用及び車携帯機用無線装置の互換構造 |
DE19900603A1 (de) | 1999-01-11 | 2000-07-13 | Bosch Gmbh Robert | Elektronisches Halbleitermodul |
NL1011843C2 (nl) * | 1999-04-20 | 2000-11-06 | Capax B V | Verbeterde schakelaar voor elektrisch gereedschap. |
-
2001
- 2001-03-24 DE DE10114572A patent/DE10114572A1/de not_active Withdrawn
-
2002
- 2002-03-20 DE DE10212449A patent/DE10212449A1/de not_active Withdrawn
- 2002-03-22 JP JP2002575972A patent/JP4326219B2/ja not_active Expired - Fee Related
- 2002-03-22 AT AT02732337T patent/ATE365371T1/de not_active IP Right Cessation
- 2002-03-22 CN CNB028050886A patent/CN100349236C/zh not_active Expired - Fee Related
- 2002-03-22 DE DE50210352T patent/DE50210352D1/de not_active Expired - Lifetime
- 2002-03-22 EP EP02732337A patent/EP1374266B1/fr not_active Expired - Lifetime
- 2002-03-22 WO PCT/DE2002/001044 patent/WO2002078029A1/fr active IP Right Grant
- 2002-03-22 US US10/471,413 patent/US7313001B2/en not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
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None * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10043619B2 (en) | 2014-03-28 | 2018-08-07 | Black & Decker Inc. | Biasing member for a power tool forward/reverse actuator |
Also Published As
Publication number | Publication date |
---|---|
JP2004527120A (ja) | 2004-09-02 |
CN100349236C (zh) | 2007-11-14 |
EP1374266A1 (fr) | 2004-01-02 |
US7313001B2 (en) | 2007-12-25 |
DE10212449A1 (de) | 2003-05-08 |
CN1498410A (zh) | 2004-05-19 |
DE50210352D1 (de) | 2007-08-02 |
DE10114572A1 (de) | 2002-11-07 |
WO2002078029A1 (fr) | 2002-10-03 |
ATE365371T1 (de) | 2007-07-15 |
JP4326219B2 (ja) | 2009-09-02 |
US20040085740A1 (en) | 2004-05-06 |
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